医院必须对病人开展医院感染监测，以掌握本院医院感染的（）A.发病率 B.多发部位 C

Since your quality process was not up to the four sigma requirements desired by your customer, some of your products were rejected, and there is a potential that you would not get repeat business from the same customer. From a quality perspective. the costs associated with your products being rejected can also be categorized as ______ .

A) cost of conformance
B) customer retention costs
C) failure costs
D) performance cost

非处方药的遴选原则包括（）。

A.应用安全

B.疗效确切

C.质量稳定

D.使用方便

所有的聪明人都是近视眼，我近视得很厉害，所以我很聪明。以下哪项与上述推理的逻辑结构一致

A．我是个笨人，因为所有的聪明人都是近视眼，而我的视力那么好

B．所有的猪都有四条腿，但这种动物有八条腿，所以它不是猪

C．小陈十分高兴，所以小陈一定长得很胖；因为高兴的人都能长胖

D．所有的鸡都是尖嘴，这种总在树上呆着的鸟是尖嘴，因此它是鸡

餐饮成本是餐饮销售减去利润的所有支出。

把以下十进制数数值120，0.675转化为二进制数和十六进制。